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parser_test.go
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package wavefront
import (
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/metric"
"github.com/stretchr/testify/assert"
)
func TestParse(t *testing.T) {
parser := NewWavefrontParser(nil)
parsedMetrics, err := parser.Parse([]byte("test.metric 1"))
assert.NoError(t, err)
testMetric, err := metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(0, 0))
assert.NoError(t, err)
assert.Equal(t, parsedMetrics[0].Name(), testMetric.Name())
assert.Equal(t, parsedMetrics[0].Fields(), testMetric.Fields())
parsedMetrics, err = parser.Parse([]byte("test.metric 1 1530939936"))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("test.metric 1 1530939936 source=mysource"))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("\"test.metric\" 1.1234 1530939936 source=\"mysource\""))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("\"test.metric\" 1.1234 1530939936 \"source\"=\"mysource\" tag2=value2"))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("test.metric 1.1234 1530939936 source=\"mysource\" tag2=value2 "))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
}
func TestParseLine(t *testing.T) {
parser := NewWavefrontParser(nil)
parsedMetric, err := parser.ParseLine("test.metric 1")
assert.NoError(t, err)
testMetric, err := metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(0, 0))
assert.NoError(t, err)
assert.Equal(t, parsedMetric.Name(), testMetric.Name())
assert.Equal(t, parsedMetric.Fields(), testMetric.Fields())
parsedMetric, err = parser.ParseLine("test.metric 1 1530939936")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
parsedMetric, err = parser.ParseLine("test.metric 1 1530939936 source=mysource")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
parsedMetric, err = parser.ParseLine("\"test.metric\" 1.1234 1530939936 source=\"mysource\"")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
parsedMetric, err = parser.ParseLine("\"test.metric\" 1.1234 1530939936 \"source\"=\"mysource\" tag2=value2")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
parsedMetric, err = parser.ParseLine("test.metric 1.1234 1530939936 source=\"mysource\" tag2=value2 ")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
}
func TestParseMultiple(t *testing.T) {
parser := NewWavefrontParser(nil)
parsedMetrics, err := parser.Parse([]byte("test.metric 1\ntest.metric2 2 1530939936"))
assert.NoError(t, err)
testMetric1, err := metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(0, 0))
assert.NoError(t, err)
testMetric2, err := metric.New("test.metric2", map[string]string{}, map[string]interface{}{"value": 2.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetrics := []telegraf.Metric{testMetric1, testMetric2}
assert.Equal(t, parsedMetrics[0].Name(), testMetrics[0].Name())
assert.Equal(t, parsedMetrics[0].Fields(), testMetrics[0].Fields())
assert.EqualValues(t, parsedMetrics[1], testMetrics[1])
parsedMetrics, err = parser.Parse([]byte("test.metric 1 1530939936 source=mysource\n\"test.metric\" 1.1234 1530939936 source=\"mysource\""))
assert.NoError(t, err)
testMetric1, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetric2, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetrics = []telegraf.Metric{testMetric1, testMetric2}
assert.EqualValues(t, parsedMetrics, testMetrics)
parsedMetrics, err = parser.Parse([]byte("\"test.metric\" 1.1234 1530939936 \"source\"=\"mysource\" tag2=value2\ntest.metric 1.1234 1530939936 source=\"mysource\" tag2=value2 "))
assert.NoError(t, err)
testMetric1, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetric2, err = metric.New("test.metric", map[string]string{"source": "mysource", "tag2": "value2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetrics = []telegraf.Metric{testMetric1, testMetric2}
assert.EqualValues(t, parsedMetrics, testMetrics)
parsedMetrics, err = parser.Parse([]byte("test.metric 1 1530939936 source=mysource\n\"test.metric\" 1.1234 1530939936 source=\"mysource\"\ntest.metric3 333 1530939936 tagit=valueit"))
assert.NoError(t, err)
testMetric1, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetric2, err = metric.New("test.metric", map[string]string{"source": "mysource"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetric3, err := metric.New("test.metric3", map[string]string{"tagit": "valueit"}, map[string]interface{}{"value": 333.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
testMetrics = []telegraf.Metric{testMetric1, testMetric2, testMetric3}
assert.EqualValues(t, parsedMetrics, testMetrics)
}
func TestParseSpecial(t *testing.T) {
parser := NewWavefrontParser(nil)
parsedMetric, err := parser.ParseLine("\"test.metric\" 1 1530939936")
assert.NoError(t, err)
testMetric, err := metric.New("test.metric", map[string]string{}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
parsedMetric, err = parser.ParseLine("test.metric 1 1530939936 tag1=\"val\\\"ue1\"")
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"tag1": "val\\\"ue1"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetric, testMetric)
}
func TestParseInvalid(t *testing.T) {
parser := NewWavefrontParser(nil)
_, err := parser.Parse([]byte("test.metric"))
assert.Error(t, err)
_, err = parser.Parse([]byte("test.metric string"))
assert.Error(t, err)
_, err = parser.Parse([]byte("test.metric 1 string"))
assert.Error(t, err)
_, err = parser.Parse([]byte("test.metric 1 1530939936 tag_no_pair"))
assert.Error(t, err)
_, err = parser.Parse([]byte("test.metric 1 1530939936 tag_broken_value=\""))
assert.Error(t, err)
_, err = parser.Parse([]byte("\"test.metric 1 1530939936"))
assert.Error(t, err)
_, err = parser.Parse([]byte("test.metric 1 1530939936 tag1=val\\\"ue1"))
assert.Error(t, err)
}
func TestParseDefaultTags(t *testing.T) {
parser := NewWavefrontParser(map[string]string{"myDefault": "value1", "another": "test2"})
parsedMetrics, err := parser.Parse([]byte("test.metric 1 1530939936"))
assert.NoError(t, err)
testMetric, err := metric.New("test.metric", map[string]string{"myDefault": "value1", "another": "test2"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("test.metric 1 1530939936 source=mysource"))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"myDefault": "value1", "another": "test2", "source": "mysource"}, map[string]interface{}{"value": 1.}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
parsedMetrics, err = parser.Parse([]byte("\"test.metric\" 1.1234 1530939936 another=\"test3\""))
assert.NoError(t, err)
testMetric, err = metric.New("test.metric", map[string]string{"myDefault": "value1", "another": "test2"}, map[string]interface{}{"value": 1.1234}, time.Unix(1530939936, 0))
assert.NoError(t, err)
assert.EqualValues(t, parsedMetrics[0], testMetric)
}